diff --git a/packages/coding-agent/test/advisor/advisor.test.ts b/packages/coding-agent/test/advisor/advisor.test.ts
index 0c37f905f..44063d3f4 100644
--- a/packages/coding-agent/test/advisor/advisor.test.ts
+++ b/packages/coding-agent/test/advisor/advisor.test.ts
@@ -3837,7 +3837,7 @@ describe("advisor", () => {
 		});
 
 		it("asks the host to switch models when a refusal outlives the stripped resend", async () => {
-			const promptInputs: string[] = [];
+			const promptInputs: Array<string | AgentMessage[]> = [];
 			const failures: unknown[] = [];
 			const state: { messages: AgentMessage[]; error?: string } = { messages: [] };
 			// The first model refuses every time; the host's fallback hook swaps in a
@@ -3910,7 +3910,7 @@ describe("advisor", () => {
 		});
 
 		it("starts a fresh fallback cascade after the host declines to switch models", async () => {
-			const promptInputs: string[] = [];
+			const promptInputs: Array<string | AgentMessage[]> = [];
 			const failures: unknown[] = [];
 			let fallbackCalls = 0;
 			const state: { messages: AgentMessage[]; error?: string } = { messages: [] };
@@ -3983,7 +3983,7 @@ describe("advisor", () => {
 		it("walks the whole fallback chain before reporting a refusal", async () => {
 			// Every model refuses. The cascade must reach the last chain entry, then
 			// stop once the host runs out of candidates.
-			const promptInputs: string[] = [];
+			const promptInputs: Array<string | AgentMessage[]> = [];
 			const failures: unknown[] = [];
 			const state: { messages: AgentMessage[]; error?: string } = { messages: [] };
 			let identity = "anthropic/claude-fable-5";
@@ -4046,7 +4046,7 @@ describe("advisor", () => {
 		});
 
 		it("stops a refusal walk that a cyclic chain would loop forever", async () => {
-			const promptInputs: string[] = [];
+			const promptInputs: Array<string | AgentMessage[]> = [];
 			const failures: unknown[] = [];
 			const state: { messages: AgentMessage[]; error?: string } = { messages: [] };
 			// A chain configured A -> B -> A: the host never runs out of candidates,
diff --git a/packages/coding-agent/test/cursor-exec.test.ts b/packages/coding-agent/test/cursor-exec.test.ts
index 4d7246fce..50929d247 100644
--- a/packages/coding-agent/test/cursor-exec.test.ts
+++ b/packages/coding-agent/test/cursor-exec.test.ts
@@ -706,11 +706,12 @@ describe("CursorExecHandlers error results", () => {
 		// present-undefined and ArkType rejects the bash call.
 		const events: AgentEvent[] = [];
 		const executeArgs: Record<string, unknown>[] = [];
-		const bashTool: AgentTool = {
+		const bashSchema = type({ command: "string", "cwd?": "string", "timeout?": "number" });
+		const bashTool: AgentTool<typeof bashSchema> = {
 			name: "bash",
 			label: "bash",
 			description: "records args",
-			parameters: type({ command: "string", "cwd?": "string", "timeout?": "number" }),
+			parameters: bashSchema,
 			execute: async (_id, args) => {
 				executeArgs.push({ ...args });
 				return { content: [{ type: "text", text: "ok" }], details: {} };